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5 changes: 3 additions & 2 deletions core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala
Original file line number Diff line number Diff line change
Expand Up @@ -305,8 +305,9 @@ object SparkSubmit {
}

// Require all python files to be local, so we can add them to the PYTHONPATH
// In YARN cluster mode, python files are distributed as regular files, which can be non-local
if (args.isPython && !isYarnCluster) {
// In YARN cluster mode, python files are distributed as regular files, which can be non-local.
// In Mesos cluster mode, non-local python files are automatically downloaded by Mesos.
if (args.isPython && !isYarnCluster && !isMesosCluster) {
if (Utils.nonLocalPaths(args.primaryResource).nonEmpty) {
printErrorAndExit(s"Only local python files are supported: $args.primaryResource")
}
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